Browse Items (1651 total)

Kingdom: Animalia Phylum: Annelida Class: Polychaeta Order: Canalipalpata Family: Serpulidae Genus: Species:

Partially serpentinized tectonic lherzolite. Occasionally newly formed diopside may be noted.

Fresh surfaces are dark blue in color, while weathered surfaces range in shades of green. Asbestos veins intersect throughout the rock, making up ~5% of the crystal mass. (FOV: 1.28)

Dense Serpentine

Serpentine (lizardite) with some structural deformation present.

OCR PDF of supplemental information of the "Sedimentary and Igneous Franciscan Assemblage - California" collection.

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Hand Sample: Microcrystalline vesicular, dark-gray to black scoria. Vesicle size varies throughout the sample, ranging from larger circular vesicles with a diameter of approx. 1.5 cm on one surface and small vesicles (less than 0.1cm in diameter) on…

Kingdom: Animalia Phylum: Hemichordata Class: Polychaeta Order: Family: Genus: Species:

Show muscovite psuedomorphs and large staurolite crystals

bedded, coarse

thin oxide crust

aluminous

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Ichnogenus: